chore: import upstream snapshot with attribution

tests/python/request_hook.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import logging
+import urllib.request
+
+LOGGER = None
+
+
+URL_MAP = {}
+
+
+class TvmRequestHook(urllib.request.Request):
+    def __init__(self, url, *args, **kwargs):
+        LOGGER.info(f"Caught access to {url}")
+        url = url.strip()
+        if url not in URL_MAP:
+            # Disallow network accesses without an explicitly maintained mirror.
+            msg = (
+                f"Uncaught URL found in CI: {url}. "
+                "Avoid network access or arrange a stable project-managed mirror, "
+                "then add it to URL_MAP in tests/python/request_hook.py."
+            )
+            raise RuntimeError(msg)
+
+        new_url = URL_MAP[url]
+        LOGGER.info(f"Mapped URL {url} to {new_url}")
+        super().__init__(new_url, *args, **kwargs)
+
+
+def init():
+    global LOGGER
+    if urllib.request.Request is TvmRequestHook:
+        return
+    urllib.request.Request = TvmRequestHook
+    LOGGER = logging.getLogger("tvm_request_hook")
+    LOGGER.setLevel(logging.DEBUG)
+    fh = logging.FileHandler("redirected_urls.log")
+    fh.setLevel(logging.DEBUG)
+    LOGGER.addHandler(fh)